In some chordates,the ________ is (are) replaced by ________.
A) pharyngeal pouches; gills
B) dorsal hollow nerve cord; a ventral solid nerve cord
C) gill arches; pharyngeal pouches
D) notochord; a dorsal hollow nerve cord
E) a vertebral column; notochord
Correct Answer:
Verified
Q6: Which of these is NOT one of
Q7: Which of the following features are shared
Q8: Which feature is found in the bony
Q9: Amphibians evolved from
A)darters.
B)sharks.
C)bass and bluegill.
D)sturgeon and catfish.
E)lobe-finned
Q10: Which of these characteristics is NOT found
Q12: The jawed fish and all other vertebrates
Q13: Which of the following reptilian features enabled
Q14: _ were the first vertebrates to live
Q15: The four defining characteristics of chordates are
A)segmentation,a
Q16: The vertebrates that lack jaws are called
A)rays.
B)turtles.
C)lampreys.
D)eels.
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